PPTX export: correct position for shape in group

Change-Id: I5c0c5d2c2b246337b78a2e1fbee97032701fb640
Reviewed-on: https://gerrit.libreoffice.org/43435Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Szymon Kłos <szymon.klos@collabora.com>

oox/source/export/drawingml.cxx

@@ -1300,6 +1300,15 @@ void DrawingML::WriteShapeTransformation( const Reference< XShape >& rXShape, sa
         aPos.X -= aParentPos.X;
         aPos.Y -= aParentPos.Y;
     }
+    else if (m_xParent.is())
+    {
+        SdrObject* pShape = GetSdrObjectFromXShape(rXShape);
+        if (pShape)
+        {
+            aPos.X = pShape->GetRelativePos().getX();
+            aPos.Y = pShape->GetRelativePos().getY();
+        }
+    }
 
     if ( aSize.Width < 0 )
         aSize.Width = 1000;

sd/qa/unit/export-tests-ooxml2.cxx

@@ -1249,6 +1249,10 @@ void SdOOXMLExportTest2::testSmartartRotation2()
 
     xmlDocPtr pXmlDocContent = parseExport(tempFile, "ppt/slides/slide1.xml");
     assertXPath(pXmlDocContent, "/p:sld/p:cSld/p:spTree/p:grpSp/p:sp[3]/p:txBody/a:bodyPr", "rot", "10800000");
+    assertXPath(pXmlDocContent, "/p:sld/p:cSld/p:spTree/p:grpSp/p:sp[3]/p:spPr/a:xfrm/a:off", "x", "2276280");
+    assertXPath(pXmlDocContent, "/p:sld/p:cSld/p:spTree/p:grpSp/p:sp[3]/p:spPr/a:xfrm/a:off", "y", "3158280");
+    assertXPath(pXmlDocContent, "/p:sld/p:cSld/p:spTree/p:grpSp/p:sp[1]/p:spPr/a:xfrm/a:off", "x", "2031840");
+    assertXPath(pXmlDocContent, "/p:sld/p:cSld/p:spTree/p:grpSp/p:sp[1]/p:spPr/a:xfrm/a:off", "y", "719640");
 }
 
 CPPUNIT_TEST_SUITE_REGISTRATION(SdOOXMLExportTest2);